| Cyprus Int. Qual | 2019/10/10 10:00 | Samuel Hsiao v Mykhaylo Makhnovskiy | W | 2-0 |
| Poolse Int. | 2019/09/20 13:00 | Samuel Hsiao v Harry Huang | L | 0-2 |
| Polish Int. - Kwal. | 2019/09/19 16:20 | Szymon Stokfisz v Samuel Hsiao | W | 0-2 |
| Polish Int. - Kwal. | 2019/09/19 08:45 | Samuel Hsiao v Mateusz Danielak | W | 2-0 |
| Belgian Int. - Kwal. | 2019/09/11 12:55 | Samuel Hsiao v Christopher Klauer | W | 2-0 |
| Giraldilla Int. XD | 2018/03/27 17:30 | Samuel Hsiao v Nhat Nguyen | L | 0-2 |
| Swiss Open - Kwal. - DD | 2018/03/27 13:20 | Samuel Hsiao v Aneeth Kumar Repudi | W | 2-0 |
| Swiss Open - Kwal. - DD | 2018/03/27 08:05 | Toma Junior Popov v Samuel Hsiao | W | 0-2 |
| Cyprus Int. Qual | 2019/10/10 13:00 | Constantinos Symeonides v Matej Polacek | W | 0-2 |
| Bulgarian Int. - Kwal. | 2019/10/03 08:20 | Andrew Jones v Matej Polacek | L | 2-1 |
| Czech Open - Kwal. | 2019/09/26 10:15 | Mattias Xu v Matej Polacek | L | 2-0 |
| Slovenia Int. - Kwal. | 2019/05/15 10:00 | Gasper Krivec v Matej Polacek | L | 2-0 |